Home / 51,821.37-71,513.79-29,160.74

Finding the Fourth Proportional to 51,821.37, 71,513.79 and 29,160.74

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Solution

The fourth proportional to 51,821.37, 71,513.79 and 29,160.74 is: 40,241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,821.37 : 71,513.79 = 29,160.74 : x
  2. Step 2: Convert to fraction form
    51,821.37/71,513.79 = 29,160.74/x
  3. Step 3: Cross multiply
    51,821.37x = 71,513.79 × 29,160.74
  4. Step 4: Simplify right side
    51,821.37x = 2,085,394,679.04
  5. Step 5: Solve for x
    x = 2,085,394,679.04/51,821.37
  6. Step 6: Final answer
    x = 40,241.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.